CN200948974Y - Air delivery sampling device - Google Patents
Air delivery sampling device Download PDFInfo
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- CN200948974Y CN200948974Y CN 200620014888 CN200620014888U CN200948974Y CN 200948974 Y CN200948974 Y CN 200948974Y CN 200620014888 CN200620014888 CN 200620014888 CN 200620014888 U CN200620014888 U CN 200620014888U CN 200948974 Y CN200948974 Y CN 200948974Y
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Abstract
A pneumatic transport sampling device includes an emission tank body, and in particular a fluidized plate which divides the emission tank body into two parts, along with an inlet channel and outlet channel which connect with the two spaces through The emission tank body. A feed port is equipped in the spatial side of the outlet channel of the tank body. A piston in the emission tank body is direct towards the feed port and open/close the feed port by the reciprocating motion along the cylinder. Using the utility model, it is easy for the automatic sampling for many occasions of using powders such as the medical powder, cement powder, coal powder, clay powder, flour powder and limestone powder with the advantages of simple equipment, stable transport, high mixing ratio, it is easy to carry out and without affecting the venue.
Description
Technical field the utility model relates to the strength pipeline transporter, relates in particular to the device by the conveying powdered sampling material of pipeline strength.
The laboratory commerical test that background technology is traditional as existing coal elemental composition industrial analysis instrument, all adopts a large amount of manual steps to analyze the spot sampling of material.Be sampled as example with coal dust, the workman needs regularly on duty, at times from the system pulverized coal system to the coal dust sampling, this work-site environment is abominable, work loaded down with trivial details, efficient is low, often has the drawback of time in sampling interval length.In power plant, because the variation of ature of coal, coal, coal consumption difference between day and day can reach 30 grams when maximum, if the boiler operatiopn personnel can not in time grasp the variation of coal and in time adjust coal-air ratio, can't make boiler keep burning under ideal conditions, thereby can cause boiler efficiency to descend, cause the coal consumption rising.Therefore, in order to allow the boiler operatiopn personnel in time grasp ature of coal situation and the accurate combustion case of adjusting boiler, necessary minimizing sampling time.
At present, the Industrial Analyzer for Coal Quality that ature of coal instrument company of domestic a few family provides all can be measured parameters such as pit ash, volatile matter and moisture automatically in the laboratory, and calculates cal val; But these the deficiencies in the prior art parts are: sampling section also depends on artificial field sampling and delivers on the measuring equipment.Therefore, can not fundamentally solve the long problem of sampling time interval.
Utility model content the technical problems to be solved in the utility model is at above-mentioned the deficiencies in the prior art, and proposes a kind of sampling setup, can be automatically to the powder sampling, so that in time divide check implement analysis for various industrial compositions.
For solving the problems of the technologies described above, of the present utility modelly be contemplated that substantially: design a sampling setup, can be fixed in work-site, the aggregate bin of (but being not limited to) power plant coal handling system boiler front end for example, automatically on-the-spot powder is carried out sample acquisitions, the mode of carrying with strength by pipeline is transported in the check implement of appointed place again.Like this, the working environment that neither destorys the scene has been removed complicated manual operation again, has realized the timely analysis to on-the-spot material composition simultaneously.
As the technical scheme that realizes the utility model design be, provide a kind of strength to carry sampling setup, comprise the emission tank body, especially, comprise that also one will launch the fluidisation plate that tank body is separated into two spaces, and the free air diffuser and the outlet passageway that are communicated with these two spaces by described emission tank body respectively; In the space side that is communicated with described outlet passageway, described emission tank body also is provided with an inlet point; One piston faces this inlet point in described emission tank body, and the crank motion that is fixed to cylinder seals/open this inlet point.
In the such scheme, during described piston closes inlet point, the volume that detaches out described tank body part account for this emission tank body volume 20% and more than.
In the such scheme, the part that described outlet passageway extends in the described emission tank body is the enlarging pipeline.
In the such scheme, the pipeline that described outlet passageway connects the emission tank body is a flexible pipe.
In the such scheme, described emission tank body is to be divided into two parts, middle embed described fluidisation plate, fastens by bolt to connect.
Adopt above-mentioned each technical scheme, be convenient to automatically powder be sampled, and it is simple to have equipment, carry steadily, the mixture ratio height does not influence the scene, advantage easy to implement.
Description of drawings Fig. 1 is the cross-sectional view of the utility model sampling setup
Label among above-mentioned each figure is: the 1--cylinder, and 2--launches tank body, 3--outlet passageway, 4--air inlet pneumatic ball valve, the 5--free air diffuser, 6--material-collecting funnel, 7--bell piston, the defeated material of 8--pneumatic ball valve, 9--fluidisation plate (ventilative interlayer), 10--inlet plenum, 11--inlet point, the 12--sheath that prevents dust.
Below the specific embodiment, the most preferred embodiment shown in is further set forth the utility model in conjunction with the accompanying drawings.
The utility model sampling setup can be applied to medicinal powder, cement flour, coal dust, clay powder, flour, multiple sampling such as agstone with the powder occasion, for sake of convenience, at this coal burning system with generating is example, and sampling setup can be fixed in the aggregate bin of boiler front end, so that gather the mobile coal dust that can reflect with the coal situation.Fig. 1 is the cutaway view of sampling setup, and it comprises emission tank body 2, is fluidized plate 9 and is separated into two spaces, is communicated with free air diffuser 5 and outlet passageway 3 respectively; With graphic space up and down is example, and the face of setting is an inlet plenum 10, then is communicated with space one side of described outlet passageway 3 in the above, and an inlet point 11 is set on the described emission tank body 2, and this inlet point 11 faces toward the aggregate bin of boiler front end with sampling setup.Comprise that also one faces the piston 7 of inlet point 11 in described emission tank body 2, the crank motion that is fixed to cylinder 1 seals/opens this inlet point 11.In order to increase the sampling area, the material-collecting funnel 6 of a bucket shape can also be set above described inlet point 11.
Described piston 7 preferably is bell, and when its sealing during inlet point 11, the volume that detaches out described tank body part accounts for more than 20% of these emission tank body 2 volumes reach.Save like this material in the emission jar is detected the means of (for example ultrasonic level gage), can control the mixture ratio of material and gas in the emission jar easily.Described fluidisation plate 9 is a ventilative dividing plate.For ease of cleaning, described emission tank body 2 can be divided into two parts, and middle embedding is with described fluidisation plate 9, fastens to connect by bolt again to form.For cylinder is shielded, sheath 12 can prevent dust on the moving part cover of described cylinder 1 in emission tank body 2.The action of this cylinder is controlled by the output that PLC (Programmable Logic Controller) carries out pre-set program.
In described free air diffuser 5 or outlet passageway 3 pipeline outside emission tank body 2 pneumatic ball valve can be installed.During sampling, defeated material (soft) pipe of described outlet passageway 3 can be drawn from described aggregate bin, leads to the check implement that is installed in from 50～100 meters of pulverized coal preparation system.When described piston 7 sealing inlet points 11, when air inlet pneumatic ball valve 4 was opened, pressurized air entered the upper strata sample space through free air diffuser 5, fluidisation plate 9, made coal dust strong " boiling " be fluidization.Can control the pressure of launching in the tank body 2 by the air feed compressor, when a jar internal pressure reached preset value, the motor of compressor can stop automatically like this; Then, when the output of carrying out pre-set program by PLC (Programmable Logic Controller) is controlled when opening defeated material pneumatic ball valve 8 fast, because the pressure effect in the emission jar, fluidised coal dust will be exported by vent pipe 3; At the check implement end, pulverized coal particle is separated by cyclone separation or dust settling pocket and uses for detecting at last.For the ease of carrying, the part that described outlet passageway 3 extends in the described emission tank body 2 can adopt the enlarging pipeline.
Adopt the utility model, because of needn't be to carrying out pressure detection in the emission tank body and material detects, the volume of launching tank body can be very little, and experiment shows, the height of this tank body can be below 30cm, and is easy for installation, minimum to the field activity environmental disruption.
Claims (10)
1. a strength is carried sampling setup, comprises emission tank body (2), it is characterized in that:
Comprise that also one will launch the fluidisation plate (9) that tank body (2) is separated into two spaces, and the free air diffuser (5) and the outlet passageway (3) that are communicated with these two spaces by described emission tank body (2) respectively; In the space side that is communicated with described outlet passageway (3), described emission tank body (2) also is provided with an inlet point (11);
One piston (7) faces this inlet point (11) in described emission tank body (2), and the crank motion that is fixed to cylinder (1) seals/open this inlet point (11).
2. strength according to claim 1 is carried sampling setup, it is characterized in that:
Described piston (7) is bell.
3. strength according to claim 1 and 2 is carried sampling setup, it is characterized in that:
During described piston (7) sealing inlet point (11), the volume that detaches out described tank body part accounts for more than 20% of this emission tank body (2) volume reaches.
4. strength according to claim 1 is carried sampling setup, it is characterized in that:
The moving part of described cylinder (1) in emission tank body (2) is covered with dustproof sheath (12).
5. strength according to claim 1 is carried sampling setup, it is characterized in that:
The part that described outlet passageway (3) extends in the described emission tank body (2) is the enlarging pipeline.
6. strength according to claim 1 is carried sampling setup, it is characterized in that:
The pipeline that described outlet passageway (3) connects emission tank body (2) is a flexible pipe.
7. carry sampling setup according to claim 1 or 6 described strengths, it is characterized in that:
In described free air diffuser (5) or outlet passageway (3) pipeline outside emission tank body (2) pneumatic ball valve is installed.
8. strength according to claim 1 is carried sampling setup, it is characterized in that:
Described emission tank body (2) is to be divided into two parts, and the middle described fluidisation plate (9) that embeds is fastened by bolt and to be connect.
9. strength according to claim 1 is carried sampling setup, it is characterized in that:
Long 50～100 meters of the pipeline of described outlet passageway (3) outside emission tank body (2).
10. strength according to claim 1 is carried sampling setup, it is characterized in that:
Also comprise the material-collecting funnel (6) that is arranged on described inlet point (11) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620014888 CN200948974Y (en) | 2006-09-21 | 2006-09-21 | Air delivery sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620014888 CN200948974Y (en) | 2006-09-21 | 2006-09-21 | Air delivery sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200948974Y true CN200948974Y (en) | 2007-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620014888 Expired - Fee Related CN200948974Y (en) | 2006-09-21 | 2006-09-21 | Air delivery sampling device |
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| CN (1) | CN200948974Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008092381A1 (en) * | 2007-01-27 | 2008-08-07 | Bestway Industrial Equipment Co., Ltd. | Powder sampling method and device by pneumatic transferring from middle-long distance |
| CN102060197A (en) * | 2010-12-15 | 2011-05-18 | 中冶赛迪工程技术股份有限公司 | Pneumatic conveying method and system of pulverized coal |
| CN102134005A (en) * | 2011-01-21 | 2011-07-27 | 中国东方电气集团有限公司 | Double-type air-distribution plate and single pipe discharging sending tank |
| CN102390720A (en) * | 2011-05-23 | 2012-03-28 | 华中科技大学 | Fluidized continuous micro-feeding device |
| CN101628666B (en) * | 2009-08-12 | 2012-09-05 | 天津市实达电力设备有限公司 | Dense phase pneumatic conveying system of high-efficiency energy-saving heavy material |
| CN106477330A (en) * | 2015-08-26 | 2017-03-08 | 西门子股份公司 | Air pressure transport box |
| CN106966171A (en) * | 2017-03-16 | 2017-07-21 | 聊城信源集团有限公司 | A kind of concentrated phase air lift tank feed device |
| CN116216328A (en) * | 2023-04-14 | 2023-06-06 | 山东省农业机械科学研究院 | Bulk small-grain-size coarse cereal storage and transportation device and method |
-
2006
- 2006-09-21 CN CN 200620014888 patent/CN200948974Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008092381A1 (en) * | 2007-01-27 | 2008-08-07 | Bestway Industrial Equipment Co., Ltd. | Powder sampling method and device by pneumatic transferring from middle-long distance |
| CN101628666B (en) * | 2009-08-12 | 2012-09-05 | 天津市实达电力设备有限公司 | Dense phase pneumatic conveying system of high-efficiency energy-saving heavy material |
| CN102060197A (en) * | 2010-12-15 | 2011-05-18 | 中冶赛迪工程技术股份有限公司 | Pneumatic conveying method and system of pulverized coal |
| CN102134005A (en) * | 2011-01-21 | 2011-07-27 | 中国东方电气集团有限公司 | Double-type air-distribution plate and single pipe discharging sending tank |
| CN102134005B (en) * | 2011-01-21 | 2012-09-26 | 中国东方电气集团有限公司 | Double-type air-distribution plate and single pipe discharging sending tank |
| CN102390720A (en) * | 2011-05-23 | 2012-03-28 | 华中科技大学 | Fluidized continuous micro-feeding device |
| CN102390720B (en) * | 2011-05-23 | 2013-10-30 | 华中科技大学 | Fluidized continuous micro-feeding device |
| CN106477330A (en) * | 2015-08-26 | 2017-03-08 | 西门子股份公司 | Air pressure transport box |
| CN106966171A (en) * | 2017-03-16 | 2017-07-21 | 聊城信源集团有限公司 | A kind of concentrated phase air lift tank feed device |
| CN116216328A (en) * | 2023-04-14 | 2023-06-06 | 山东省农业机械科学研究院 | Bulk small-grain-size coarse cereal storage and transportation device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070919 Termination date: 20100921 |